Kumagaya Climate by Month
Kumagaya, Saitama, Japan
Hot summers and cold winters, with rain spread through the year.
Kumagaya has hot summers and cold winters, with rain spread through the year. Afternoon highs range from 50°F (10°C) in January to 88°F (31°C) in August, and January nights average 30°F (-1°C). About 48 in (1223 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 88°F(31°C)
- Average high, August
- Coldest nights
- 30°F(-1°C)
- Average low, January
- Rain per year
- 48 in(1223 mm)
- No clear rainy season
- Humidity
- 64%
- Sunniest: May
Best and worst months in Kumagaya
Best for weatherMay is the best time for weather in Kumagaya: highs near 75°F (24°C) and about 4.4 in (112 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 50°F (10°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Kumagaya weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 50°F(10°C) | 30°F(-1°C) | 1.4 in(36 mm) | 48% | 2.6 |
| FebFebruary | 51°F(11°C) | 32°F(0°C) | 1.7 in(43 mm) | 56% | 3.1 |
| MarMarch | 57°F(14°C) | 38°F(3°C) | 2.5 in(64 mm) | 54% | 3.7 |
| AprApril | 67°F(19°C) | 46°F(8°C) | 3.4 in(87 mm) | 58% | 4.6 |
| MayMayBest | 75°F(24°C) | 56°F(13°C) | 4.4 in(112 mm) | 60% | 5.0 |
| JunJune | 79°F(26°C) | 64°F(18°C) | 5.9 in(150 mm) | 71% | 4.5 |
| JulJuly | 86°F(30°C) | 71°F(22°C) | 5.7 in(145 mm) | 75% | 4.6 |
| AugAugust | 88°F(31°C) | 73°F(23°C) | 5.5 in(140 mm) | 72% | 4.7 |
| SepSeptember | 81°F(27°C) | 67°F(19°C) | 6.5 in(166 mm) | 74% | 3.7 |
| OctOctober | 71°F(22°C) | 56°F(13°C) | 7.1 in(180 mm) | 70% | 2.9 |
| NovNovember | 62°F(17°C) | 44°F(6°C) | 2.2 in(57 mm) | 66% | 2.4 |
| DecDecember | 54°F(12°C) | 34°F(1°C) | 1.7 in(43 mm) | 62% | 2.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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